*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.box{
    margin: auto;
    width: 1265px;
    height: 670px;
    background-color: rgb(189, 244, 225);
}
.son{
    padding-top: 10px;
    height: 50px;
    background-color: rgb(189, 244, 225);
}
li{
    float: left;
    margin-right: 12px;
    margin-left: 10px;
    list-style: none;
    width: 228px;
    height: 280px;
    background-color: white;
    margin-bottom: 10px;
}
li:nth-of-type(5n){
    margin-right: 20px;
}
li:hover{
    box-shadow: 0 15px 15px black;
}
.a1{
    float: right;
    margin-top: 5px;
    color: rgb(159, 157, 154);
    font-size: 15px;
}
.c1{
    /* text-align: center; */
    margin-top: 15px;
    font-size: 15px;
    margin-left: 16px;
}
.b1{
    margin-top: 15px;
    color: rgb(159, 157, 154);
    /* margin-bottom: 20px; */
}
font{
    padding-left: 15px;
}